R-78C9.0-1.0

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DC-DC converters are a vital component to many industrial operations. The R-78C9.0-1.0 is a full-wave controller providing up to 18 amps output current for a variety of output voltages. The main differences between this type of controller and other DC-DC converters is the ability to configure the output voltage simply by selecting the appropriate integrated circuitry components rather than difficult engineering calculations or specialized software.

The R-78C9.0-1.0 DC-DC controller operates by rectifying the input voltage and then uses dual switching FETs to create a pair of voltage waveforms that when combined effectively generate a regulated output voltage.

Efficiency is maximized by a patented power FET technology called “shared circuit”. This topology employs two FETs, allowing both to share the current between the two FETs which results in a more efficient power delivery. This combination also serves to reduce the switching losses in the FETs, resulting in reduced power dissipation.

The converter contains a variety of integrated protection circuitry’s which safeguard the user against majority of the most common electrical faults. These include various types of input protection, voltage regulation sensitivity, output voltage monitoring and short circuit protection.

Flexibility is an important factor when it comes to designing a system with power supply requirements. The R-78C9.0-1.0 features a wide input range and superior thermal performance. In addition, it also contains the high bandwidth current-mode control loop needed to support the fastest Type II compensation which allow for easier design, improved dynamic response and faster transient response.

The output voltage can be programmed over a wide range spanning from 1.2 to 18V depending on the application. As an example, an automotive application may require a high voltage output with a low current and a wide temperature range capability. The R-78C9.0-1.0 can meet these requirements whilst still offering superior efficiency.

The R-78C9.0-1.0 employs a synchronous rectifier to reduce the power dissipation of the power MOSFETs while still providing a high level of voltage regulation. The output voltage is regulated by allowing the output voltage to track the input voltage. This ensures the output voltage is always at a steady regulated level.

In summary, the R-78C9.0-1.0 DC-DC controller provides a cost-effective, efficient power supply solution with features such as wide input range, superior thermal performance and a wide array of integrated protection circuitry\'s. Its innovative shared circuit technology increases efficiency while its Type II compensation allows for a high bandwidth current-mode control loop providing faster transient response. Finally, its wide output voltage range and synchronous rectifier technology provides the ability to configure an output voltage with minimal effort and a steady, controlled output voltage.

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